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6 Commits

Author SHA1 Message Date
Kittywhiskers Van Gogh
1f7c2353a9 refactor: resolve implicit-const-int-float-conversion warning in statsd_client 2022-10-21 21:51:35 +05:30
Wladimir J. van der Laan
058c9f729f Merge #17754: net: Don't allow resolving of std::string with embedded NUL characters. Add tests. 
7a046cdc1423963bdcbcf9bb98560af61fa90b37 tests: Avoid using C-style NUL-terminated strings as arguments (practicalswift)
fefb9165f23fe9d10ad092ec31715f906e0d2ee7 tests: Add tests to make sure lookup methods fail on std::string parameters with embedded NUL characters (practicalswift)
9574de86ad703ad942cdd0eca79f48c0d42b102b net: Avoid using C-style NUL-terminated strings as arguments in the netbase interface (practicalswift)

Pull request description:

  Don't allow resolving of `std::string`:s with embedded `NUL` characters.

  Avoid using C-style `NUL`-terminated strings as arguments in the `netbase` interface

  Add tests.

  The only place in where C-style `NUL`-terminated strings are actually needed is here:

  ```diff
  +    if (!ValidAsCString(name)) {
  +        return false;
  +    }
  ...
  -    int nErr = getaddrinfo(pszName, nullptr, &aiHint, &aiRes);
  +    int nErr = getaddrinfo(name.c_str(), nullptr, &aiHint, &aiRes);
       if (nErr)
           return false;
  ```

  Interface changes:

  ```diff
  -bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup);
  +bool LookupHost(const std::string& name, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup);

  -bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup);
  +bool LookupHost(const std::string& name, CNetAddr& addr, bool fAllowLookup);

  -bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup);
  +bool Lookup(const std::string& name, CService& addr, int portDefault, bool fAllowLookup);

  -bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions);
  +bool Lookup(const std::string& name, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions);

  -bool LookupSubNet(const char *pszName, CSubNet& subnet);
  +bool LookupSubNet(const std::string& strSubnet, CSubNet& subnet);

  -CService LookupNumeric(const char *pszName, int portDefault = 0);
  +CService LookupNumeric(const std::string& name, int portDefault = 0);

  -bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int port, const SOCKET& hSocketRet, int nTimeout, bool *outProxyConnectionFailed);
  +bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int port, const SOCKET& hSocketRet, int nTimeout, bool& outProxyConnectionFailed);
  ```

  It should be noted that the `ConnectThroughProxy` change (from `bool *outProxyConnectionFailed` to `bool& outProxyConnectionFailed`) has nothing to do with `NUL` handling but I thought it was worth doing when touching this file :)

ACKs for top commit:
  EthanHeilman:
    ACK 7a046cdc1423963bdcbcf9bb98560af61fa90b37
  laanwj:
    ACK 7a046cdc1423963bdcbcf9bb98560af61fa90b37

Tree-SHA512: 66556e290db996917b54091acd591df221f72230f6b9f6b167b9195ee870ebef6e26f4cda2f6f54d00e1c362e1743bf56785d0de7cae854e6bf7d26f6caccaba
 2022-10-03 16:08:31 -04:00
PastaPastaPasta
f503a7edc1
refactor: Fix warnings from cppcheck (#4625) 
* src/evo/evodb.cpp:57:29: warning: Assert statement calls a function which may have desired side effects: 'IsClean'. [assertWithSideEffect]

* src/llmq/quorums.cpp:635:37: note: Null pointer dereference

src/llmq/quorums.cpp:635:37: warning: Either the condition 'pFrom==nullptr' is redundant or there is possible null pointer dereference: pFrom. [nullPointerRedundantCheck]
src/llmq/quorums.cpp:636:81: note: Assuming that condition 'pFrom==nullptr' is not redundant

* fix a bunch of cppcheck warnings

* cppcheck: run on many more files. Enable all checks except a few ignored ones.

ignored
```
    "Consider using std::transform algorithm instead of a raw loop."
    "Consider using std::accumulate algorithm instead of a raw loop."
```

* ci: build specific version of cppcheck instead of install from apt

* ci: use cppcheck 2.4, remove commented out line, fix symlink

cppcheck 2.6 is latest, however causes issues
```
src/spork.cpp:135:51: warning: Analysis failed. If the code is valid then please report this failure. [cppcheckError]
```
cppcheck 2.5 appears to get into an infinite loop

* no need to check presence before insertion

* use if-init, remove redundant check

* remove redundant check

* don't remove cmake? fix macOs depends build?

* cppcheck: one per line, alphabetize

* remove duplicate cmake install
 2021-12-29 00:54:50 +03:00
Kittywhiskers Van Gogh
ef4dfa8524 merge bitcoin#14555: Move util files to directory 
(script modified to account for Dash backports, doesn't account for rebasing)

------------- BEGIN SCRIPT ---------------
mkdir -p src/util
git mv src/util.h src/util/system.h
git mv src/util.cpp src/util/system.cpp
git mv src/utilmemory.h src/util/memory.h
git mv src/utilmoneystr.h src/util/moneystr.h
git mv src/utilmoneystr.cpp src/util/moneystr.cpp
git mv src/utilstrencodings.h src/util/strencodings.h
git mv src/utilstrencodings.cpp src/util/strencodings.cpp
git mv src/utiltime.h src/util/time.h
git mv src/utiltime.cpp src/util/time.cpp
git mv src/utilasmap.h src/util/asmap.h
git mv src/utilasmap.cpp src/util/asmap.cpp
git mv src/utilstring.h src/util/string.h
git mv src/utilstring.cpp src/util/string.cpp

gsed -i 's/<util\.h>/<util\/system\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
gsed -i 's/<utilmemory\.h>/<util\/memory\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
gsed -i 's/<utilmoneystr\.h>/<util\/moneystr\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
gsed -i 's/<utilstrencodings\.h>/<util\/strencodings\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
gsed -i 's/<utiltime\.h>/<util\/time\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
gsed -i 's/<utilasmap\.h>/<util\/asmap\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
gsed -i 's/<utilstring\.h>/<util\/string\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')

gsed -i 's/BITCOIN_UTIL_H/BITCOIN_UTIL_SYSTEM_H/g' src/util/system.h
gsed -i 's/BITCOIN_UTILMEMORY_H/BITCOIN_UTIL_MEMORY_H/g' src/util/memory.h
gsed -i 's/BITCOIN_UTILMONEYSTR_H/BITCOIN_UTIL_MONEYSTR_H/g' src/util/moneystr.h
gsed -i 's/BITCOIN_UTILSTRENCODINGS_H/BITCOIN_UTIL_STRENCODINGS_H/g' src/util/strencodings.h
gsed -i 's/BITCOIN_UTILTIME_H/BITCOIN_UTIL_TIME_H/g' src/util/time.h
gsed -i 's/BITCOIN_UTILASMAP_H/BITCOIN_UTIL_ASMAP_H/g' src/util/asmap.h
gsed -i 's/BITCOIN_UTILSTRING_H/BITCOIN_UTIL_STRING_H/g' src/util/string.h

gsed -i 's/ util\.\(h\|cpp\)/ util\/system\.\1/g' src/Makefile.am
gsed -i 's/utilmemory\.\(h\|cpp\)/util\/memory\.\1/g' src/Makefile.am
gsed -i 's/utilmoneystr\.\(h\|cpp\)/util\/moneystr\.\1/g' src/Makefile.am
gsed -i 's/utilstrencodings\.\(h\|cpp\)/util\/strencodings\.\1/g' src/Makefile.am
gsed -i 's/utiltime\.\(h\|cpp\)/util\/time\.\1/g' src/Makefile.am
gsed -i 's/utilasmap\.\(h\|cpp\)/util\/asmap\.\1/g' src/Makefile.am
gsed -i 's/utilstring\.\(h\|cpp\)/util\/string\.\1/g' src/Makefile.am

gsed -i 's/-> util ->/-> util\/system ->/' test/lint/lint-circular-dependencies.sh
gsed -i 's/src\/util\.cpp/src\/util\/system\.cpp/g' test/lint/lint-format-strings.py test/lint/lint-locale-dependence.sh
gsed -i 's/src\/utilmoneystr\.cpp/src\/util\/moneystr\.cpp/g' test/lint/lint-locale-dependence.sh
gsed -i 's/src\/utilstrencodings\.\(h\|cpp\)/src\/util\/strencodings\.\1/g' test/lint/lint-locale-dependence.sh
------------- END   SCRIPT ---------------
 2021-06-27 12:03:13 +05:30
PastaPastaPasta
91f4e71563
trivial: misc. trivial refactoring (#4104) 
* minor statsd refactoring

* stacktrace refactoring

* spork typos + unused include

* need thread on windows builds
 2021-04-15 13:58:04 -04:00
UdjinM6
b559a8f904
Backporting Statoshi and bitcoin#16728 (#2515) 
* Backport Statoshi

This backports some of https://github.com/jlopp/statoshi.

Missing stuff: README.md and client name changes, segwit and fee estimation stats.

Fix RejectCodeToString

Fix copy-paste mistake s/InvalidBlockFound/InvalidChainFound/

* Merge #16728: move-only: move coins statistics utils out of RPC

8a3b2eb17572ca2131778d52cc25ec359470a90f move-only: move coins statistics utils out of RPC (James O'Beirne)

Pull request description:

  This is part of the [assumeutxo project](https://github.com/bitcoin/bitcoin/projects/11):

  Parent PR: #15606
  Issue: #15605
  Specification: https://github.com/jamesob/assumeutxo-docs/tree/master/proposal

  ---

  In the short-term, this move-only commit will help with fuzzing (https://github.com/bitcoin/bitcoin/pull/15606#issuecomment-524482297). Later, these procedures will be used to compute statistics (particularly a content hash) for UTXO sets coming in from snapshots.

  Most easily reviewed with `git ... --color-moved=dimmed_zebra`. A nice follow-up would be adding unittests, which I'll do if nobody else gets around to it.

ACKs for top commit:
  MarcoFalke:
    ACK 8a3b2eb17572ca2131778d52cc25ec359470a90f, checked --color-moved=dimmed-zebra

Tree-SHA512: a187d2f7590ad2450b8e8fa3d038c80a04fc3d903618c24222d7e3172250ce51badea35860c86101f2ba266eb4354e6efb8d7d508b353f29276e4665a1efdf74

* Fix 16728

* Modernize StatsdClient

- Reuse some functionality from netbase
- Switch from GetRand to FastRandomContext
- Drop `using namespace std` and add `// namespace statsd`

* Introduce PeriodicStats and make StatsdClient configurable via -stats<smth> (enabled/host/port/ns/period)

* Move/rename tip stats from CheckBlock to ConnectBlock

* Add new false positives to lint-format-strings.py

* Add snprintf in statsd_client to the list of known violations in lint-locale-dependence.sh

* Fix incorrect include guard

* Use bracket syntax includes

* Replace magic numbers with defaults

* Move connection stats calculation into its own function

And bail out early if stats are disabled

* assert in PeriodicStats

Co-authored-by: PastaPastaPasta <6443210+PastaPastaPasta@users.noreply.github.com>

Co-authored-by: MarcoFalke <falke.marco@gmail.com>
Co-authored-by: PastaPastaPasta <6443210+PastaPastaPasta@users.noreply.github.com>
 2020-12-15 10:22:23 -06:00